Choose the correct answer

----- Nội dung dịch tự động từ ảnh -----
1. The mountain is ...
than we expect.
.....
C. high
..than traveling by air.
C. much cheap D. cheape
D. higher
A. higher than
2. Traveling by trains is
A. expensive
B. more high
....
B. cheap
3. The man is.....
.... I.
B. more strong than
A. stronger than
C. stronger
D. strong than
.than anyone in the class.
B. more intelligent
4. She is
A. intelligent
C. more intelligent than
D. more shorter